Fixed learning object update policy

app/policies/learning_object_policy.rb

@@ -41,7 +41,7 @@ class LearningObjectPolicy < ApplicationPolicy
   end
 
   def update?
-    record if ( user_can_update? && record.state == 'draft' ) || ( user.is_publisher? && user_can_update? ) || (!user.nil? && user.is_admin?)
+    record if (user_can_update? && record.state == 'draft') || (owns? && user.is_publisher?) || (owns? && user.is_partner?) || (!user.nil? && user.is_admin?)
   end
 
   def publish?